The dp720 is a dect cordless VoIP phone that allows users to mobilize their VoIP network throughout any business, warehouse, retail store, and residential environment. It is supported by Grandstreams dp750 dect VoIP base station and on delivers a combination of mobility and top-notch telephony performance. Supports up to 10 sip accounts per handset and supports a range of 300 meters outdoors and 50 meters indoors from the dp750 base station. Handset only base station not included. 3.5mm headset jack, 3-way voice conferencing. Automated provisioning options include TR-069 and XML config files. DECT authentication & encryption technology to protect calls and account.